package com.sun.controller.admin;

import com.sun.pojo.User;
import com.sun.service.UserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

import javax.servlet.http.HttpSession;

/**
 * @author: glorysun
 * @date: 2020/8/5
 */
@Controller
@RequestMapping("/admin")
public class UserController {

    @Autowired
    private UserService userService;

    @GetMapping
    public String loginPage() {
        return "admin/login";
    }

    //用户登录
    @PostMapping("/login")
    public String checkLogin(@RequestParam String username,
                             @RequestParam String password,
                             HttpSession session,
                             RedirectAttributes attributes,
                             Model model){
        User user=userService.checkUserAndPassword(username,password);
        if(user!=null){
            user.setPassword(null);
            session.setAttribute("user",user);
            return "admin/index";
        }else {
            attributes.addFlashAttribute("message","用户名或密码错误!");
            return "redirect:/admin";
        }
    }

    //用户退出
    @GetMapping("/logout")
    public String logout(HttpSession session){
        session.removeAttribute("user");
        return "redirect:/admin";
    }
}
